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Brief information about compared phones: Samsung Galaxy M51 , vivo NEX Dual DisplaySamsung Galaxy M51 2020 year of release, cpu - Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), screen 6.7", with resolution 1080x2400. Smartphone has 32 megapixel front camera and 64 megapixel main camera. vivo NEX Dual Display 2018 year of release, cpu Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver), screen 6.39", with resolution 1080x2340. Smartphone has 12 megapixel front camera and 12 megapixel main camera. |
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| Display | Technology | Super AMOLED Plus | Super AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 6.7" inc | 6.39" inch | ||
| Screen area | 108.4 cm2 | 100.2 cm2 | ||
| Screen format | 20:9 (height:width) | 19.5:9 (height:width) | ||
| Screen to body ratio | 86.7% | 84.7% | ||
| Screen resolution | 1080 x 2400 px | 1080 x 2340 px | ||
| PPI /points per inch/ | 403 PPI | |||
| Screen protection | Corning Gorilla Glass 3 | |||
| Camera and Video | Rear camera, main | 64 MP, Quad | 12 MP, Triple | |
| Camera specs | -64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF -12 MP, f/2.2, 123˚ (ultrawide) -5 MP, f/2.4, (macro) -5 MP, (depth) | 12 MP, f/1.8, 1/2.55'', 1.4µm, 4-axis OIS, Dual Pixel PDAF -2 MP, depth sensor -TOF camera, f/1.3 | ||
| Functions | HDR | LED flash, HDR, panorama | ||
| Video | 1080p@30fps | 2160p@30fps, 1080p@30fps | ||
| Front camera, selfie | 32 MP, Single | 12 MP, Triple | ||
| Specifications | 32 MP, f/2.0, 26mm (wide), 1/2.8'', 0.8µm | Uses main cameras | ||
| Performance | Operating system OS | Android 10, One UI 2.0 | Android 9.0 (Pie); Funtouch 4.5 | |
| Chipset | - Qualcomm SDM730 Snapdragon 730G (8 nm) | Qualcomm SDM845 Snapdragon 845 (10 nm) | ||
| Processor CPU | - Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) | Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) | ||
| Graphics processor GPU | - Adreno 618 | Adreno 630 | ||
| External memory | microSDXC (dedicated slot) | No | ||
| Internal memory | 128GB 6GB RAM, 128GB 8GB RAM | 128 GB, 10 GB RAM | ||
| Antutu 8 score | 272774 | 340355 | ||
| General specs | Release date | 2020, August 31 | 2018, December | |
| Dimensions (HxWxD) | 163.9 Х 76.3 Х 9.5 mm | 157.2 Х 75.3 Х 8.1 mm | ||
| Weight | 213 g | 199 g | ||
| Colors | Celestial Black, Electric Blue | Polar Blue | ||
| Battery | 7000 mAh, Li-Po, non-removable | 3500 mAh, Non-removable Li-Ion | ||
| Approximate price | 360 EUR | 700 EUR | ||
| Body build | Glass front (Gorilla Glass 3), plastic back, plastic frame | |||
| Communication and Connectivity | SIM card | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 19(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 400/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | ||
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, BDS, GNSS | ||
| NFC | Yes | |||
| USB | 2.0, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | ||
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | ||
| Harmful irradiation | SAR - 1.38 W/kg (head) SAR EU - 0.61 W/kg (head) 1.45 W/kg (body) | |||
| Music and Audio | Radio | FM radio | No | |
| Headphone jack | Yes | Yes | ||
| Others | Secondary display (on the back): -Super AMOLED, 5.49 inches, 1080 x 1920 pixels | |||
| Other features | Dop | - Sensors - Fingerprint (side-mounted), accelerometer, gyro, proximity, compass - Fast charging 25W, 100% in 115 min -Reverse charging - Versions: SM-M515F/DSN (international) | Sensors Fingerprint (under display), accelerometer, gyro, proximity, compass - Fast battery charging 10V/2.25A 22.5W | |
